root/drivers/net/ethernet/mellanox/mlx5/core/lag.h

INCLUDED FROM

DEFINITIONS

1. mlx5_lag_dev_get
2. __mlx5_lag_is_active

   1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2 /* Copyright (c) 2019 Mellanox Technologies. */
   3 
   4 #ifndef __MLX5_LAG_H__
   5 #define __MLX5_LAG_H__
   6 
   7 #include "mlx5_core.h"
   8 #include "lag_mp.h"
   9 
  10 enum {
  11         MLX5_LAG_FLAG_ROCE   = 1 << 0,
  12         MLX5_LAG_FLAG_SRIOV  = 1 << 1,
  13         MLX5_LAG_FLAG_MULTIPATH = 1 << 2,
  14 };
  15 
  16 #define MLX5_LAG_MODE_FLAGS (MLX5_LAG_FLAG_ROCE | MLX5_LAG_FLAG_SRIOV |\
  17                              MLX5_LAG_FLAG_MULTIPATH)
  18 
  19 struct lag_func {
  20         struct mlx5_core_dev *dev;
  21         struct net_device    *netdev;
  22 };
  23 
  24 /* Used for collection of netdev event info. */
  25 struct lag_tracker {
  26         enum   netdev_lag_tx_type           tx_type;
  27         struct netdev_lag_lower_state_info  netdev_state[MLX5_MAX_PORTS];
  28         unsigned int is_bonded:1;
  29 };
  30 
  31 /* LAG data of a ConnectX card.
  32  * It serves both its phys functions.
  33  */
  34 struct mlx5_lag {
  35         u8                        flags;
  36         u8                        v2p_map[MLX5_MAX_PORTS];
  37         struct lag_func           pf[MLX5_MAX_PORTS];
  38         struct lag_tracker        tracker;
  39         struct workqueue_struct   *wq;
  40         struct delayed_work       bond_work;
  41         struct notifier_block     nb;
  42         struct lag_mp             lag_mp;
  43 };
  44 
  45 static inline struct mlx5_lag *
  46 mlx5_lag_dev_get(struct mlx5_core_dev *dev)
  47 {
  48         return dev->priv.lag;
  49 }
  50 
  51 static inline bool
  52 __mlx5_lag_is_active(struct mlx5_lag *ldev)
  53 {
  54         return !!(ldev->flags & MLX5_LAG_MODE_FLAGS);
  55 }
  56 
  57 void mlx5_modify_lag(struct mlx5_lag *ldev,
  58                      struct lag_tracker *tracker);
  59 int mlx5_activate_lag(struct mlx5_lag *ldev,
  60                       struct lag_tracker *tracker,
  61                       u8 flags);
  62 int mlx5_lag_dev_get_netdev_idx(struct mlx5_lag *ldev,
  63                                 struct net_device *ndev);
  64 
  65 #endif /* __MLX5_LAG_H__ */